Gritting
v. 以沙砾覆盖（某物）, 撒沙砾于( grit的现在分词 ); 咬紧牙关
🗣️ 情景例句
The way people act in private is often quite different to how they act when in public.
人们私下的行为跟公共场合的行为是截然不同的。
My brother wants to learn how to speak Chinese.
我的兄弟要去学中国话。
The idea of colonising Mars---- a world 160 times more distant than the Moon----
征服火星的计划-一个比月球远160倍的星球